2023 Sustainability Report: Empire State Realty Trust

SUSTAINABILITY REPORT 2023

INTRODUCTION

SUSTAINABILITY OBJECTIVES AND STRATEGY

ENVIRONMENTAL

SOCIAL

POLICIES AND TRANSPARENT REPORTING

APPENDICES

Table of Contents

65 Appendices 66 About this Report 66 Technology and Innovation Partners 67 GRI Content Index 69 TCFD Index 70 SASB Index 73 Data Tables 77 Forward-Looking Statements 78 Third Party Verification 57 Policies and Transparent Reporting 58 Board and Management Oversight 59 Risk and Crisis Management 60 Climate Risk Assessment 61 Climate Change and Resilience 63 Ethics and Compliance 63 Cybersecurity 63 Training 64 Human and Labor Rights 64 Occupational Health and Safety

3 Introduction 4 Letter from Our Leaders 5 Overview 6 Company Priorities 7 Sustainability Awards and Achievements

16 Environmental 17 Overview 18 Environmental Impact Goals and Reporting 21 Greenhouse Gas Emissions

24 Energy 27 Water 29 Waste 31 High Performance Healthy Buildings 33 Biodiversity 34 Sustainability Guidelines and Policies 35 Tenant Engagement

Sustainability Objectives and Strategy

9 Sustainability Strategies and Components 10 Integrated Building Performance 11 Industry Participation 12 Leadership in Innovation 13 Goals for Quantifiable Improvement 14 Materiality and Stakeholder Engagement

37 Data-Driven Performance 38 Technology and Innovation 39 ESRT Version 2.0

41 Social 42 Social Responsibility 44 Employees 47 Succession Planning, Learning, and Professional Development 48 Diversity, Equity, and Inclusion 51 Tenants

53 Community Engagement 56 Vendors and Procurement

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Introduction

EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT

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We are pleased to share our 2023 Sustainability Report and present another year of achievement, leadership, and commitment to our shareholders, tenants, team, and community. ESRT’s goals are to lease space, sell tickets to the Empire State Building Observatory, maintain our balance sheet, and achieve our sustainability goals…all to build value for investors. Our focus on the creation and preservation of value requires attention to our bottom line through logical, balanced leadership and execution in sustainability to deliver on our goals over the near, medium, and long terms. ESRT continues to lead by example in environmental stewardship and healthy building performance. As we continue to grow our portfolio, we consistently uphold our values and standards in environmental and social sustainability and transparent reporting and disclosure. The Global Real Estate Sustainability Benchmark (GRESB) ranked ESRT number one for all Listed Companies in the Americas’ and in the most competitive peer group, and we also achieved a 5-Stars Rating and the highest score in disclosure. Each property is an opportunity to expand our proven process to make decisions based on data and science, successfully implement measures to drive positive performance improvement, and deliver measurable returns on investment. We proactively engage with our tenants to align with our sustainability objectives and aid in the measurement, reporting, and achievement of their sustainability goals. We maintained carbon neutrality across our entire commercial and multifamily portfolio, an important step toward our ultimate target of Net Zero emissions at the Empire State Building by 2030 and across our entire portfolio by 2035. Our targets are dependent on continued partnership with the design, construction, and operation of our tenants’ spaces, New York State’s achievement of its dates and renewable grid targets as set forth in the Climate Leadership and Community Protection Act (CLCPA), and our replacement of equipment at the end of its useful life cycle. ESRT received target validation and approval from the Science Based Targets Initiative (SBTi), aligned with its most stringent 1.5°C trajectory. We intend to demonstrate to the industry how to make these ambitious goals achievable and economically advantageous.

In April 2022, we published the Empire Building Playbook: An Owner’s Guide to Low Carbon Retrofits (the Playbook) in partnership with the New York State Energy Research and Development Authority (NYSERDA) and supported by the Clinton Global Initiative. The Playbook provides a roadmap for building landlords to reduce the carbon emissions of high-rise buildings in alignment with Local Law 97 (LL97) and New York State’s CLCPA through replication of the technical and economic approaches used at the Empire State Building. As the first commercial portfolio in the Americas to achieve and maintain the WELL Health-Safety Rating across 100% of our portfolio and one of the first to have our rating renewed three times, we are dedicated to the advancement of scientifically validated approaches to healthy buildings and indoor environmental quality (IEQ) to boost tenant and employee well- being. We continue to pilot new and innovative IEQ technologies to position our assets to exceed global IEQ health and wellness standards. We drive inclusion and accountability with safety and respect for every ESRT community member.

In 2023, ESRT was the first commercial office and multifamily company to achieve International WELL Building Institute’s (IWBI) WELL Equity Rating in the United States. Our goals for diversity in our workplace and supply chain, recognition by the Bloomberg Gender-Equality Index, and commitment to the United Nations Global Compact and Women’s Empowerment Principles demonstrate that we can address the concerns of today while at the same time maintain accountability for our bottom line. Our corporate and union colleague engagement has never been higher. While our business environment has not gotten easier, ESRT continues to perform, set new objectives, and achieve them, and do all of this with focus on our goals. We hope you enjoy your read of this report as much as we enjoy the challenge and accomplishment it represents.

Onward and upward.

Dana Robbins Schneider SVP, Director of Energy, Sustainability, and ESG

Anthony E. Malkin Chairman and CEO

Christina Chiu President

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Overview Empire State Realty Trust, Inc. (NYSE: ESRT) is a NYC- focused real estate investment trust (REIT) that owns and operates a portfolio of modernized, amenitized, and well- located office, retail, and multifamily assets. ESRT’s flagship Empire State Building — the “World’s Most Famous Building” — includes its Observatory, the #1 attraction in the U.S. in TripAdvisor’s Travelers’ Choice Awards: Best of the Best for two consecutive years. As of December 31, 2023, ESRT’s portfolio is comprised of approximately 8.6 million rentable square feet of office space, 0.7 million rentable square feet of retail space, and 727 multifamily units. ESRT’s sustainability strategy is founded on science-based initiatives to mitigate the environmental impacts of our buildings and the businesses and residents who occupy our office, retail, and multifamily properties. In execution of our strategy, we emphasize accountability and financial performance as well as attention to the health and well-being of ESRT’s employees, tenants, and the communities where we operate. Our efforts and our results heighten our properties’ competitive stance in the marketplace and protect and enhance stakeholder value. Every ESRT investment decision in our existing portfolio and new acquisitions considers how we can achieve measurable gains in energy efficiency, greenhouse gas emissions reduction, water efficiency, waste diversion, and healthy buildings. ESRT is a global leader in energy efficiency and emissions reduction. In partnership with NYSERDA and supported by the Clinton Global Initiative, we authored The Empire Building Playbook: An Owner’s Guide to Low Carbon Retrofits, a free

online playbook that charts a path for landlords, tenants, and service providers to target Net Zero emissions with measurement and verification (M&V) payback, based on our groundbreaking work at the Empire State Building and across our portfolio. ESRT has maintained carbon neutrality since January 2022 through a combination of operational emissions reduction and offsets and continues to work towards its ultimate goal of Net Zero emissions by 2030 at the Empire State Building and by 2035 for 100% of our commercial and multifamily portfolio. We have reduced emissions by 57% at the Empire State Building since 2007 and by 47% across our commercial portfolio since 2009. Based on our proactive efforts, we anticipate no fines under LL97 through 2029. We are a model for the successful implementation of comprehensive, innovative, and effective sustainability policies, stakeholder engagement, and transparent reporting. ESRT identifies and communicates progress toward our goals in a transparent manner aligned with the UN Sustainable Development Goals (SDGs), Global Reporting Initiative (GRI), Sustainability Accounting Standards Board (SASB), the Taskforce on Climate-related Financial Disclosures (TCFD), the International Sustainability Standards Board (ISSB), and SBTi. Our expertise and commitment in these areas enable us to deliver sustainable and healthy buildings across our portfolio and to share best practices to drive positive change across NYC and globally.

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Company Priorities

SELL OBSERVATORY TICKETS

LEASE SPACE

• Over 2.6 million Observatory visitors • #1 attraction in the U.S. in TripAdvisor’s Travelers’ Choice Awards: Best of the Best for two consecutive years

• Signed a total of 951,000 rentable square feet of leases • ESRT’s Manhattan office leased percentage rate improved by 250 basis points year over year • 8 consecutive quarters of positive leased absorption • 10 consecutive quarters of positive mark-to- market lease spreads for Manhattan office

ACHIEVE SUSTAINABILITY GOALS

MANAGE THE BALANCE SHEET

• Net Zero emissions by 2030 at the Empire State Building and by 2035 for entire portfolio • Maintained carbon neutrality since January 2022 • 2023 GRESB 5-Stars rating and ranked Number One for all Listed Companies in the Americas’ — highest score of the most competitive peer group • 2024 ENERGY STAR Partner of the Year Sustained Excellence

Flexibility • Capital recycling • Acquisition opportunities • Commercial portfolio 100% owned • Share repurchases

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Sustainability Awards and Achievements

PUBLISHED THE EMPIRE BUILDING PLAYBOOK Owner’s Guide to Low Carbon Retrofits

Partner of the Year Sustained Excellence 2023–2024 Partner of the Year 2020–2022

Validated emission reduction targets consistent with 1.5°C climate scenario

Ranked Number One of all Listed Companies in the Americas

100% of portfolio is WELL Health-Safety rated First in Americas

Awarded Fitwel Champion 86% of NYC Portfolio

Green Lease Leader Platinum recognition

2023 Project and Practice Award Winner Better Building Partner since 2018

BOMA Grand Pinnacle and Earth Award Winner

Certified Great Place to Work 2023 and 2024

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Sustainability Objectives and Strategy

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Sustainability Strategies and Components

CERTIFICATIONS Certifications for our sustainability work include a GRESB 5-Stars rating, the highest GRESB score of all Listed companies in the Americas, the highest GRESB Disclosure Score, ENERGY STAR Partner of the Year Sustained Excellence, WELL Health-Safety Rating, WELL Equity Rating, and Fitwel Champion. Since 2011, the Empire State Building is LEED EB Gold certified.

VERIFIED DISCLOSURE We comprehensively detail our efforts, published online, in our Sustainability Report and investor materials. ESRT reports in alignment with the UN SDGs, GRI, SASB, TCFD, and ISSB standards. SBTi has validated ESRT’s emission reduction targets consistent with a 1.5°C climate scenario. We report our environmental data according to the World Resources Institute’s (WRI) Greenhouse Gas Protocols.

GOALS Our goals and targets are ambitious and supported by independently verified data. We focus on six categories for our portfolio: greenhouse gas (GHG) emissions, energy, water, waste, healthy buildings, and green building certifications. We use 2018 as the baseline year to ensure our commitments with the SBTi, NYC Carbon Challenge, U.S. Department of Energy’s Better Buildings Challenge, and NYSERDA Empire Building Challenge are met or exceeded. We measure our own progress against our Net Zero and sustainability goals from a 2009 baseline year for our entire portfolio and 2007 for the Empire State Building. DATA-DRIVEN PERFORMANCE ESRT measures, manages, and evaluates performance against our goals. We use data management platforms, technologies, calibrated models, and third-party verification to provide advanced analytics and insights that inform and improve our performance. We partner with a leading energy analysis firm to review energy supply, demand, budgets, and pricing to plan accordingly for energy supply procurement and current and future renewable sources.

POLICIES & OVERSIGHT Our Board of Directors oversees our sustainability strategy, which is developed and executed by our Sustainability Committee and led by our head of sustainability. Our sustainability policies and codes of conduct apply to our employees, tenants, and vendors. We carefully develop and continuously refine our policies and standards to guide action and ensure performance and progress against our targeted goals to align with and exceed industry best practice. TENANT ENGAGEMENT Based on our calculations, we anticipate no fines through 2029 for our office and multifamily properties under New York City’s LL97. We proactively support our tenants to measure, report, and achieve their sustainability targets through environmental data, actionable recommendations for energy, water, and waste reduction, ROI-based design and guidance, and an active partnership in their sustainability journey. We engage with our tenants via quarterly town halls and education sessions focused on sustainability.

SUSTAINABILITY STRATEGIES AND COMPONENTS

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We integrate sustainability into every aspect of our business. Our groundbreaking work delivers long-term value for our shareholders, tenants, colleagues, and the communities where we live and work. Through our design standards, operational practices, and targeted decarbonization roadmap, ESRT is the industry leading model for how to decarbonize the built environment and achieve sustainability goals. Integrated Building Performance

ACQUISITIONS: RESTORATION AND REUSE

DESIGN AND CONSTRUCTION

LEASING AND TENANTS

PROPERTY MANAGEMENT

ESRT assesses the environmental sustainability of the full lifecycle of buildings. We apply our sustainability approach when we evaluate potential acquisitions and investments. We retrofit and operate our buildings with environmental impact and resource conservation as a priority to ensure that we operate our buildings efficiently to reduce emissions, energy usage, water consumption, and waste generation. We consistently consider embodied carbon in our decarbonization analyses with a focus on the modernization of existing buildings to advanced performance levels.

ESRT’s design and construction of new spaces and renovations provide significant opportunities to drive energy efficiency, sustainability, and healthy spaces. ESRT has implemented rigorous standards for sustainability and IEQ during the construction and design phase, as outlined in our High Performance Design and Construction Guidelines. ESRT creates spaces that support the health, productivity, and well-being of our tenants and employees in alignment with the most advanced national and international standards, which include LEED v4.1, WELL v2, and WELL Health-Safety.

ESRT works with tenants at every stage of our relationship to integrate shared sustainability priorities and customize initiatives that support their sustainability goals and drive building performance. ESRT leases include green lease clauses, which require transparent energy, water, waste, and emissions data to be tracked and reported; and tenant fit- out requirements. ESRT received the highest recognition as a Platinum certified Green Lease Leader and in 2023 we worked with more than 150 tenants to help achieve their sustainability goals.

Our property management and engineering teams work together to maintain ESRT’s Sustainability Guidelines, which were designed to drive consistent, exceptional environmental performance at each property. These standards include portfolio-level goals and priorities along with asset-level standards, resources, and responsibilities, which ensure that asset operations are an active part of ESRT’s commitment to provide top-tier healthy and sustainable spaces for our tenants. Our property managers host annual town halls that highlight each building’s sustainability initiatives and provide resources for our tenants to implement within their own spaces to advance their sustainability goals.

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Industry Participation ESRT openly shares our advanced sustainability principles through industry cooperation, policy engagement, and

SVP and Director of Energy, Sustainability, and ESG, Dana Robbins Schneider, serves on the Mayor’s Sustainability Advisory Board, Real Estate Roundtable Sustainable Policy Advisory Committee, Urban Green Board of Directors, ULI Think Tank Committee, REBNY Sustainability Committee, and is a Leadership in Energy and Environmental Design (LEED) Fellow since 2016. Dana served on the LL97 Technical Pathways for Commercial Buildings and Economic Working Group and served maximum terms on the USGBC LEED Steering Committee and USGBC Technical Advisory Group for IEQ. Our President, Christina Chiu, is a member of New York University’s and NYC Economic Development Corporation’s Decarbonization Finance Task Force.

NYC SUSTAINABILITY ADVISORY BOARD ESRT’s SVP and Director of Energy, Sustainability, and ESG, Dana Robbins Schneider was appointed to New York City’s Sustainability Advisory Board to help inform the city’s PlaNYC strategy. The board is made up of 26 members who will advise the city on a range of potential climate initiatives, which include energy, transportation, waste management, and expansion of NYC’s green space, among other areas of importance. 1 ESRT is the only REIT represented on the board. “I share the knowledge I have been privileged to gain in over 20 years in this field to drive continued partnership and effective policy, informed by successful practice, to deliver on Mayor Adams’s vision for a Net Zero New York City,” Dana said of her appointment. “My goal is to prove the technical and economic cases to decarbonize the built environment and deliver a healthy city, innovation, and job creation for all New Yorkers.”

collaborative implementation of effective practices. We actively engage in a host of industry organizations, working groups, partnerships, and initiatives to gather and share information that will shape sustainability-related industry standards and government policy. ESRT’s Chairman and CEO, Tony Malkin, is a board member of the Real Estate Roundtable and Chair of its Sustainability Policy Advisory Committee, and a member of the Climate Mobilization Advisory Board of the New York City Department of Buildings, the Urban Land Institute (ULI), the Board of Governors of the Real Estate Board of New York (REBNY), and the Partnership for New York City’s Innovation Council.

LL97 Advisory Board and Commercial Buildings Working Group Co-Chair

Board Member and Sustainability Policy Advisory Committee Chair

Sustainability Committee

Tenant Energy Optimization Program

Real Estate Sustainability Committee

Board of Directors

Steering Committee

Commitment Maker

DOE’s Better Climate Challenge and Better Buildings Initiative

Mayor’s Sustainability Advisory Board

Innovator

Judge

1 https://www.nyc.gov/office-of-the-mayor/news/895-22/mayor-adams-appoints-26-members-sustainability-advisory-board

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Leadership in Innovation

ESRT’s thought leadership explores new tactics and technologies in the real estate market to provide data for decisions and a blueprint for action. We routinely and comprehensively assess progress towards our objectives. We leverage a variety of technologies, automation platforms, and real-time data to provide a comprehensive understanding of consumption and performance, identify opportunities for improvement, and validate the impact of measures we implement. Our portfolio is a dynamic, living laboratory in which we explore technologies that will propel our industry forward. We manage risk in our portfolio through implementation of physical and operational resilience techniques in each building, and we amplify and distribute that information in an open-source style so that others can benefit from our experience. Our participation in the NYSERDA Empire Building Challenge, which supports dialogue between real estate, engineering, and technology providers to identify and implement innovative solutions that reduce emissions in high-rise buildings, resulted in the award of one of only four $5 million grants in the Challenge’s first cohort of participants to be used toward strategic pilot projects. ESRT’s Empire Building Challenge projects will focus on advanced building management system (BMS) upgrades and optimization, energy recovery systems, steam use reduction technologies, and partial electrification through water and air source heat pumps and conversion to air source domestic hot water at the Empire State Building. ESRT was the first company to be awarded the newly updated NYSERDA RTEM+ incentive in 2022 to support the advanced management and reduction of tenant energy use through cutting-edge strategies and initiatives. In 2023 ESRT received incentives from Con Edison’s Clean Heat Statewide Heat Pump Program to advance the adoption of efficient electric heat pump systems within our buildings.

EMPIRE BUILDING PLAYBOOK In April 2022, we published the Empire Building Playbook: An Owner’s Guide to Low Carbon Retrofits. Co-developed with NYSERDA and supported by other NYC-based landlords and the Clinton Global Initiative, the innovative guide outlines the step-by-step process for existing commercial buildings to develop a pathway to carbon reduction with positive financial returns. Based on insights and successes gained through real life case studies of large, complex buildings, the resource is openly available online. In 2023, we partnered with NYSERDA to further develop the Playbook and prove the business case to target Net Zero emissions for multifamily buildings. We convened with other leading multifamily owners in New York City to scale this model along with a manufacturer’s consortium to partner on development and scale of technologies necessary to achieve targeted emissions reductions across the city. We plan to publish this Playbook in 2024.

“ “

What the Empire State Building did is a blueprint for how we can modernize our buildings, reduce emissions, convert to a carbon-free future, and create new jobs. If we could do the same thing for every sizable building in every city in America, we would probably buy ourselves decades before the worst consequences of climate change come down on us. Bill Clinton 42 nd President of the United States Founder and Board Chair, Clinton Foundation

These partnerships between technology innovators and the state’s real estate leaders will advance scalable decarbonization solutions

that reduce emissions from high-rise buildings while growing the clean energy economy. Doreen M. Harris NYSERDA President and CEO

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Goals for Quantifiable Improvement

• Achieve Net Zero, 80% operational emissions reduction, at the Empire State Building by 2030 and across the entire portfolio by 2035 • Meet the Empire Building Challenge and commit to leadership at a statewide level • Achieve SBTi emissions reduction targets consistent with 1.5˚C climate scenario • Participate in CDP Supply Chain program to collect Scope 3 primary data from suppliers • 50% reduction in energy use intensity by 2035 across entire portfolio • 20% reduction in energy use intensity by 2030 from a 2017 baseline year as part of our participation in the EPA’s Better Building Challenge from 2018 baseline year • 100% NYC tenants submetered and pay based on usage in advance of Local Law 88 (LL88)

• 75% waste diversion rate by 2035 • 5% reduction in waste generation year over year • Perform waste audits at 100% of buildings annually • Building-wide organics composting program across entire portfolio by 2025

GHG EMISSIONS

WASTE

• Maintain the highest standards for the IEQ in our buildings to improve efficiencies, tenant and resident health, and well-being • Annual air and water testing to meet rigorous standards of WELL v2, Fitwel, and LEED v4.1 • IEQ real time sensor rollout

ENERGY

HEALTHY BUILDINGS

• 30% reduction in water usage by 2035 • 2% reduction in water usage year over year • Implement real-time water metering and software across the portfolio by 2025 • Achieve Better Buildings Challenge Water Reduction Goal of 20% from 2018 baseline

• Focus on total employee well-being across physical, mental, and financial dimensions • Engage and enhance our community through meaningful volunteerism and educational initiatives • Monitor and enhance supply chain diversity with Supplier Gateway • Transparent disclosure of diversity data at board, management, and all employee levels • Execution of our strategic DEI plan to foster a productive workplace environment to boost satisfaction and motivation

DEI IN THE WORKPLACE AND SUPPLY CHAIN

WATER

Portfolio goals use a 2009 baseline year unless otherwise stated. Empire State Building initial calibrated energy model is based on full year 2007 data.

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Materiality and Stakeholder Engagement

Our 2021 materiality assessment informed our sustainability strategy and ensured the prioritization of the sustainability topics most important to our company and stakeholders. We considered the perspectives and expectations of tenants, investors, brokers, employees, shareholders, members of our Board of Directors, industry peers, and our community. We consistently monitor and evaluate sustainability issues, business needs, and stakeholder expectations. These topics remained relevant to our business and our stakeholders throughout 2023. We will conduct our next materiality assessment in 2024 and assess and align with shifts in circumstances and stakeholder priorities.

Our board oversees our sustainability strategy. Our SVP, Director of Energy, Sustainability, and ESG provides the board with quarterly sustainability updates, including the work of our employee lead Sustainability Committee. ESRT’s Sustainability Committee meets quarterly and includes ESRT’s Chairman and CEO, President, Chief Financial Officer, executives for leasing, property design and construction, property management, legal, marketing, and investor relations teams. Actions and strategies approved by the committee are executed by all departments throughout ESRT.

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OBSERVATIONS FROM 2021 MATERIALITY ASSESSMENT The below materiality matrix represents the complete matrix for all material topics and stakeholders.

Stakeholders identified the below eight topics as the most material topics to ESRT’s sustainability strategy. This report details our strategy and initiatives to address each of these key points.

Energy Efficiency

Renewable Energy

GHG Emissions

Compliance with Laws and Regulations

Indoor Environmental Quality (IEQ)

Diversity, Equity, and Inclusivity of Employees Health and Well-Being

1 7

Diversity, Equity, and Inclusivity of Senior Management

9 10 10

IMPACT

ESRT will conduct materiality assessments every three years to assess and align with shifts in circumstances and stakeholder priorities. The next is underway in 2024 at the time of publication.

ENVIRONMENTAL 1 Alternative/Mass Transportation 2 Biodiversity from Property Operations

11 Waste Reduction 12 Water Conservation

9 Stakeholder Engagement 10 Screening Suppliers and Service Providers on Environmental Criteria 11 Training and Education

7 Business Ethics 8 Compliance with

Laws and Regulations

SOCIAL 1 Assessing and Measuring the Impacts of Entity Operations on Local Communities 2 Diversity, Equity, and Inclusivity of Senior Management 3 Diversity, Equity, and Inclusivity of All Employees 4 Employee Compensation 5 Health and Well-Being 6 IEQ 7 Human Rights 8 Occupational Health and Safety

9 Shareholder Rights 10 Transparency and Reporting

3 Energy Efficiency 4 Renewable Energy 5 GHG Emissions 6 Sustainability Certifications, Ratings, and Labeling Schemes 7 Sustainability Certifications Specific to Health and Well-Being 8 Pollution of Nearby Land and Water Bodies 9 Environmental Purchasing Practices 10 Waste Diversion

GOVERNANCE 1 Anti-Corruption Policies and Procedures 2 Anti-Harassment 3 Sustainability Responsibility and Accountability Resting with the Most Senior Executive and Board 4 Sustainability Performance Impacting Employee Pay 5 Data Privacy and Security 6 Equal Pay

RESILIENCE 1 Climate Related Physical Risks 2 Climate Related Transition Risks 3 Emergency Preparedness

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In the United States, buildings currently consume 70% of electricity and account for nearly 40% of GHG emissions. In major cities such as New York City, the built environment accounts for more than 70% of GHG emissions. 2

At ESRT, we define and act upon the ability of building performance to drive global and local emissions reduction, improve employee health and productivity, bolster our competitive position, mitigate risk, reduce our stakeholders’ exposure to future costs and depreciation of value, and serve as an industry leader in environmental stewardship.

We evaluate current, new, and emerging technologies to optimize performance across our key priority areas, to advance our efforts to reduce energy, emissions, water, and waste, and to improve IEQ. Our decarbonization and sustainability programs take embodied carbon into account to strike a balance between optimization, reuse, and lifecycle use. Our strategy and implementation of best practices, cutting-edge technologies, and initiatives driven by results, positions us to set the standard for the built environment. ESRT’s work at the forefront of energy efficiency,

PERFORMANCE CATEGORIES

GHG Emissions

Energy

Water

for the benefit of our tenants and the environment, is recognized worldwide.

Waste

Indoor Environmental Quality

Green Building Certifications

2 S ource: NYC Mayor’s Office of Climate and Environmental Justice

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Environmental Impact Goals and Reporting In 2023, ESRT conducted an in-depth goals and targets exercise to ensure that our objectives were ambitious and supported by independently verified, science-based data. We focused on six categories for our portfolio: emissions, energy, water, waste, health and well-being, and green building certifications. ESRT submits to GRESB annually and is globally recognized in leadership, policy, reporting, stakeholder engagement, targets, tenants and community, data monitoring and review, and building certification categories. To develop our goals, we use 2009 as a baseline year for our entire portfolio and 2007 for the Empire State Building and ensure that goals meet or exceed our existing commitments, such as SBTi, NYC Carbon Challenge, U.S. DOE’s Better Climate and Better Buildings Challenges (including Net Zero Emissions, Water Goal Achiever, and Net Zero Waste Pilots), and the Empire Building Challenge. The reporting boundary includes 16 properties owned and controlled by ESRT as of December 31, 2023. We include all properties owned by ESRT and all Scope 1, Scope 2, and Scope 3 downstream leased assets energy, utility, and emissions data known to us in these disclosures. GHG Emissions Intensity is determined using location-based emissions for the NYC region for Scopes 1, 2, and 3. Sharp increase in 2023 emissions are due to increased eGRID factors 28.61% from 2020 to 2022 which are now reflected in our 2023 emissions.

2023 PROGRESS: ON TRACK GREENHOUSE GAS EMISSIONS INTENSITY 3 (kgCO2e/ft2)

GOAL:

Climate Action Take urgent action to combat climate change and its impacts

• Achieve Net Zero, 80% operational emissions reduction, at the Empire State Building by 2030 and across the entire portfolio by 2035 • Maintain carbon neutrality across entire portfolio • Meet the Empire Building Challenge and commit to leadership at a statewide level • Achieve SBTi emissions reduction targets consistent with 1.5˚C climate scenario

by 2030 for Empire State Building and by 2035 for entire portfolio Net Zero

GHG EMISSIONS

5.8

4.77

4.99

4.41

1.16

2009

2021

2022

2023

2035

3 E SRT commercial office utilization increased approximately 30% over a five-day average (Monday–Friday) and three-day average (Tuesday–Thursday) in 2023 compared to 2022. This occupancy increase contributes to increased emissions, energy and water usage, and waste generation. The data above represents the utility usage of our office and multifamily portfolio. Data is absolute, and is not normalized for weather, occupancy, or other variables which impact usage and are not based on the impacts of efficiency efforts. GHG Emissions Intensity is determined using location-based emissions for the NYC region for Scopes 1, 2, and 3. Sharp increase in 2023 emissions are due to increased eGRID factors 28.61% from 2020 to 2022 which are now reflected in our 2023 emissions. When we adjust 2022 emissions retroactively to reflect the updated eGRID emissions factor for 2022, 2022 emissions intensity becomes 5.49kgCO2e/ft2 resulting in a 9.1% decrease from 2022 to 2023. Portfolio goals use a 2009 baseline year unless otherwise stated. Empire State Building initial calibrated energy model is based on full year 2007 data.

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GOAL:

Energy and Atmosphere Ensure access to affordable, reliable, sustainable, and modern energy for all

• Target 30% water intensity usage reduction by 2035 • Target 2% water usage reduction each year • Implement real-time water metering and software across the portfolio by 2025 • Achieve Better Buildings Challenge Water Reduction Goal of 20% • Target 75% waste diversion rate by 2035 • Target 50% waste diversion rate by 2027 • Target 5% waste generation reduction annually • Perform waste audits at 100% of our commercial buildings quarterly • Building-wide organics composting program across entire portfolio by 2025 • Target 50% energy use intensity reduction by 2035 • Target 20% energy use intensity reduction by 2030 from a 2017 baseline year as part of our participation in the EPA’s Better Building Challenge • 100% NYC tenants submetered and pay based on usage in advance of Local Law 88 (LL88)

2023 PROGRESS: ON TRACK ENERGY USE INTENSITY 4 (kBtu/SF)

50%

site energy use reduction by 2035

ENERGY

62.5

57.8

2009

2021

2035

2022

2023

GOAL:

Clean Water and Sanitization Ensure availability and

2023 PROGRESS: ON TRACK WATER USE INTENSITY 4 (kgal/ft2)

30%

sustainable management of water and sanitation for all

reduction in water intensity by 2035

WATER

0.0196

0.0132

0.0137

0.0134

0.0084

2009

2021

2022

2023

2035

Responsible Consumption and Production Ensure sustainable consumption and production patterns

GOAL:

2023 PROGRESS: ON TRACK WASTE DIVERSION 4

waste diversion rate by 2035 75%

WASTE

75%

39%

37%

36%

2021

2022

2023

2035

4 E SRT commercial office utilization increased approximately 30% over a five-day average (Monday–Friday) and three-day average (Tuesday–Thursday) in 2023 compared to 2022. This occupancy increase contributes to increased emissions, energy and water usage, and waste generation. The data above represents the utility usage of our office and multifamily portfolio. Data is absolute, and is not normalized for weather, occupancy, or other variables which impact usage and are not based on the impacts of efficiency efforts. Portfolio goals use a 2009 baseline year unless otherwise stated. Empire State Building initial calibrated energy model is based on full year 2007 data.

EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT

ENVIRONMENTAL

INTRODUCTION

SUSTAINABILITY OBJECTIVES AND STRATEGY

SOCIAL

POLICIES AND TRANSPARENT REPORTING

APPENDICES

Health and Well-Being

GOAL:

2023 PROGRESS: ACHIEVED

• WELL Health-Safety Rating for 100% of portfolio annually • Perform comprehensive annual indoor air and water quality tests at all properties • Install MERV 13 filters in 100% of ESRT units • ASHRAE 62.1 ventilation in all facilities where possible • Comprehensive industry-leading High Performance Sustainability Guidelines • Maintain Fitwel Champion accreditation • Committed to WELL at scale with all properties actively enrolled

Properties WELL Health- Safety Rated 100%

100%

Ensure healthy lives and promote well-being for all at all ages

Properties WELL Health-Safety Rating

HEALTHY BUILDINGS

2023 PROGRESS: ACHIEVED

GOAL:

Of entire portfolio’s 75%

76%

Of entire portfolio’s square footage Fitwel certified

square footage Fitwel certified by 2025

Sustainable Cities and Communities Make cities and communities inclusive, safe, resilient, and sustainable

2023 PROGRESS: ACHIEVED

GOAL:

• All eligible buildings are ENERGY STAR certified • Empire State Building LEED Gold certified since 2011 • Participant in USGBC LEED v5 beta study

100%

NYC commercial portfolio ENERGY STAR certified

GREEN BUILDING CERTIFICATIONS

2023 PROGRESS: IN PROGRESS

GOAL:

85%

Entire portfolio ENERGY STAR certified 84%

Entire portfolio ENERGY STAR certified

EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT

ENVIRONMENTAL

INTRODUCTION

SUSTAINABILITY OBJECTIVES AND STRATEGY

SOCIAL

POLICIES AND TRANSPARENT REPORTING

APPENDICES

Greenhouse Gas Emissions

Net Zero and Carbon Neutrality ESRT defines Net Zero for existing buildings as an 80% reduction of building operational emissions in partnership with a renewably sourced grid that is aligned with the CLCPA and offset residual emissions through validated clean energy generation and accredited initiatives. By 2030 for the Empire State Building and by 2035 for the entire commercial and multifamily portfolio, ESRT targets Net Zero emissions. ESRT includes all owned assets and 100% of commercial and multifamily Scope 1, Scope 2, and Scope 3 downstream leased assets in our Net Zero goals, projects, data, and disclosure. Scope 3 downstream leased assets are defined as the emissions from the operation of assets that are leased by ESRT’s tenants and not already included in Scopes 1 and 2 inventories. Buildings achieve the most significant reductions when energy and emissions reduction measures are implemented at the asset level. Our groundbreaking deep energy retrofit work at the Empire State Building, which began in 2010, has reduced GHG emissions by 57% compared to our benchmark year of 2007. Our initial Version 1.0 work was integrated across our entire commercial portfolio and provided the real estate industry with a blueprint of what was technically and economically possible in the built environment at the time. Since 2009, ESRT’s commercial portfolio has achieved 47% reduction in emissions. In 2022, ESRT announced ESRT 2.0, a re-imagination of the deep energy retrofit that outlines steps to reach Net Zero emissions in balance with healthy buildings and financial returns, and based on work that began in 2010. As we prioritize our efforts to reduce emissions through our building retrofit work, tenant engagement, and sustainability policy work, we will offset our fossil fuel emissions through accredited sources until we reach our goal of 80% operational emissions reduction or Net Zero. The Empire State Building has been 100% powered by renewable energy since 2010, and as of January 2022 we offset 100% of the electricity used in the entire portfolio through Green-e certified wind power RECs. ESRT has partnered with 18 Reserves and ACT to offset 100% of the portfolio’s non-electric usage, which includes all steam, natural gas, and fuel oil energy consumption through the preservation of approximately 9,000 acres of biodiverse forest ecosystem.

SCIENCE BASED TARGETS INITIATIVE In 2022, we achieved target

alignment validation from SBTi, a reporting framework aligned with the latest climate science guidance to meet the goals of the Paris Agreement. ESRT’s targeted reduction for GHG emissions supports reduction pathways to limit global temperature rise to 1.5°C, which was validated by accredited global third- party experts. Few real estate companies have made this most aggressive commitment and even fewer have achieved complete validation approved by SBTi. We intend to demonstrate that these ambitious goals are achievable and economically advantageous in our industry.

EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT

ENVIRONMENTAL

INTRODUCTION

SUSTAINABILITY OBJECTIVES AND STRATEGY

SOCIAL

POLICIES AND TRANSPARENT REPORTING

APPENDICES

Roadmap to Net Zero

2007

2009

2010

2012

2019

2021

2022

2023

SEP 2007 • Began

APR 2009 • Announced Empire State Building 1.0 groundbreaking retrofit and provided the industry with a free open-protocol blueprint of what is technically and economically possible DEC 2009 • Implemented High Performance Design and Construction Standards in all leases, which required

JAN 2010 • Purchased

JAN 2012 • Integrated operational best practices from Empire State Building 1.0 into portfolio standards • Partnered with the Natural Resources Defense Council to develop the Tenant Energy Optimization Program. It is based on our work to demonstrate tenants’ role in energy

JAN 2019 • Updated

JAN 2021 • Purchased green-e

JAN 2022 • Achieved carbon neutrality across entire portfolio through a combination of

OCT 2023 • Multifamily and

development of Empire State Building 1.0 deep energy retrofit study

Green-e wind RECs to offset 100% of the Empire State Building’s electricity usage

sustainability standard operating procedures for the portfolio to align with latest advancements and green building certifications OCT 2019 • Began development of ESRT 2.0 Net Zero roadmap

wind RECs to offset 100% of the commercial portfolio’s electricity usage

CT commercial properties Net Zero roadmap studies completed

operational emissions reduction and validated offsets

• Set Net Zero

emissions target for multifamily portfolio by 2035

APR 2021 • Publicly committed to target Net Zero emissions for

APR 2022 • Announced

the Empire State Building by 2030 and commercial portfolio by 2035

ESRT 2.0 Net Zero Emissions study and published the Empire Building Playbook

reduction and to model and prove the business case for highly efficient sustainable tenant spaces. The program was gifted to Urban Land Institute (ULI) to scale

• Empire State

OCT 2022 • Completed all NYC

all Empire State Building projects to be designed and built to and perform at the highest level of efficiency and

Building Net Zero carbon roadmap

commercial Net Zero roadmap studies

case study completed OCT 2021 • Four commercial

environmental responsibility

Net Zero roadmap studies completed

EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT

ENVIRONMENTAL

INTRODUCTION

SUSTAINABILITY OBJECTIVES AND STRATEGY

SOCIAL

POLICIES AND TRANSPARENT REPORTING

APPENDICES

GHG Emissions Performance

2023 GHG EMISSIONS 5 (MTCO 2 e)

MEASURING SUPPLY CHAIN EMISSIONS 6 In 2023, ESRT began participation in the Climate Disclosure Project (CDP) Supply Chain program to engage our full supply chain to track, measure, and report the impact of upstream GHG emissions. The program enables primary data collection for assessment of supplier contribution to Scope 3 emissions and will help our suppliers manage their own environmental targets. ESRT is the first REIT to participate in the program globally . The data below represents 2022 Scope 3 upstream emissions categorized by industry group. 96% of 2022 total supply chain spend is represented below with the remaining 4% of upstream spend included in our Scope 1 or 2 emissions reporting.

GHG EMISSIONS

Scope 3 Category 13: 27,710 Commercial: 23,659 Multifamily: 4,051

Scope 1: 3,178

Commercial: 3,178 Multifamily: 0

48,541 MTCO 2 e

GHG emissions were calculated in accordance with the WRI GHG Protocol, and verification of the data contained herein was conducted in accordance with ISO 14064 Part 3. A similar approach and methodology was utilized to calculate and validate energy, water, and waste data. Sharp increase in 2023 emissions are due to increased eGRID factors 28.61% from 2020 to 2022 which are now reflected in our 2023 emissions. When we adjust 2022 emissions retroactively to reflect the updated eGRID emissions factor for 2022, 2022 total emissions becomes 51,371 MTCO2e resulting in a 5.5% decrease from 2022 to 2023.

Scope 2: 17,653

Commercial: 17,652 Multifamily: 1

increase in emissions compared to 2022

LIKE-FOR-LIKE GHG EMISSIONS 5 (MTCO 2 e)

2020 2021

2022

4,643

All other 48 industry groups 18%

2023 Commercial

2023 Multifamily

6,888 6,800

Scope 1

3,127

3,128

Non-residential building construction 34%

Other professional services 3%

18,491

21,002

Scope 2

14,048

17,584 17,584

Furniture 6%

16,722

17,341

Scope 3

23,936

Glass products 14%

Real estate services 6%

23,659

3,539

27,198

Concrete products 7%

Electrical equipment 12%

5 ESRT commercial office utilization increased approximately 30% over a five-day average (Monday–Friday) and three-day average (Tuesday–Thursday) in 2023 compared to 2022. This occupancy increase contributes to increased emissions, energy and water usage, and waste generation. The data above represents the utility usage of our office and multifamily portfolio. Data is absolute, and is not normalized for weather, occupancy, or other variables which impact usage and are not based on the impacts of efficiency efforts. GHG Emissions Intensity is determined using location-based emissions for the NYC region for Scopes 1, 2, and 3. Sharp increase in 2023 emissions are due to increased eGRID factors 28.61% from 2020 to 2022 which are now reflected in our 2023 emissions. When we adjust 2022 emissions retroactively to reflect the updated eGRID emissions factor for 2022, 2022 emissions intensity becomes 5.49kgCO2e/ft2 resulting in a 9.1% decrease from 2022 to 2023. Like-for-like metrics include properties owned for full calendar year 2022 and 2023. 6 The emissions per industry are based on CDP conversions of spend to emissions equivalent.

EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT

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